Family histories with citations for reference and research -- Searching: note that there may be multiple spellings from different sources. -- "It is a revered thing to see an ancient castle not in decay; how much more to behold an ancient family which has stood against the waves and weathers of time!" - Francis Bacon.

1666 census of Comte de Montmorency; Louis lives with his widowed mother and siblings.

1666 census of Beaupre: Marie lives with her parents and siblings.

11/3/1672, Nicolas Gamache and Louis Gagne were parties in the Concession of the Gamache seigniory by Jean Talon. “We certify to all concerned that after this, Nicolas Gamache, who has served us faithfully in the Army over many years, will be permitted to retire on his land, here or somewhere else that he finds well-suited. We further decree that he has given us much satisfaction with his zeal and commitment.” They were granted 42 arpents on the St Lawrence.

4/2/1675, Louis bought half of his family’s property in Sainte-Anne-du-Petit-Cap from his mother.